/
ListControlDesigner.xml
719 lines (649 loc) · 60.6 KB
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ListControlDesigner.xml
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<Type Name="ListControlDesigner" FullName="System.Web.UI.Design.WebControls.ListControlDesigner">
<TypeSignature Language="C#" Value="public class ListControlDesigner : System.Web.UI.Design.ControlDesigner, System.Web.UI.Design.IDataSourceProvider" FrameworkAlternate="netframework-1.1" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit ListControlDesigner extends System.Web.UI.Design.ControlDesigner implements class System.Web.UI.Design.IDataSourceProvider" FrameworkAlternate="netframework-1.1" />
<TypeSignature Language="DocId" Value="T:System.Web.UI.Design.WebControls.ListControlDesigner" />
<TypeSignature Language="VB.NET" Value="Public Class ListControlDesigner
Inherits ControlDesigner
Implements IDataSourceProvider" FrameworkAlternate="netframework-1.1" />
<TypeSignature Language="F#" Value="type ListControlDesigner = class
 inherit ControlDesigner
 interface IDataSourceProvider" FrameworkAlternate="netframework-1.1" />
<TypeSignature Language="C++ CLI" Value="public ref class ListControlDesigner : System::Web::UI::Design::ControlDesigner, System::Web::UI::Design::IDataSourceProvider" FrameworkAlternate="netframework-1.1" />
<TypeSignature Language="C#" Value="public class ListControlDesigner : System.Web.UI.Design.WebControls.DataBoundControlDesigner" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit ListControlDesigner extends System.Web.UI.Design.WebControls.DataBoundControlDesigner" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<TypeSignature Language="VB.NET" Value="Public Class ListControlDesigner
Inherits DataBoundControlDesigner" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<TypeSignature Language="F#" Value="type ListControlDesigner = class
 inherit DataBoundControlDesigner" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<TypeSignature Language="C++ CLI" Value="public ref class ListControlDesigner : System::Web::UI::Design::WebControls::DataBoundControlDesigner" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Base>
<BaseTypeName>System.Web.UI.Design.ControlDesigner</BaseTypeName>
<BaseTypeName FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">System.Web.UI.Design.WebControls.DataBoundControlDesigner</BaseTypeName>
</Base>
<Interfaces>
<Interface FrameworkAlternate="netframework-1.1">
<InterfaceName>System.Web.UI.Design.IDataSourceProvider</InterfaceName>
</Interface>
</Interfaces>
<Attributes>
<Attribute FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1">
<AttributeName Language="C#">[System.Web.UI.Design.SupportsPreviewControl(true)]</AttributeName>
<AttributeName Language="F#">[<System.Web.UI.Design.SupportsPreviewControl(true)>]</AttributeName>
</Attribute>
</Attributes>
<Docs>
<summary>Serves as the base class for designers that provide design-time support in the Visual Web Designer for controls that are derived from the <see cref="T:System.Web.UI.WebControls.ListControl" /> abstract class.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
In the Visual Web Designer, when the user switches from Source to Design view, the markup source code that describes a control derived from the <xref:System.Web.UI.WebControls.ListControl> class is parsed and a design-time version of the control is created on the design surface. When the user switches back to Source view, the design-time control is persisted to the markup source code and edited into the markup for the Web page. The <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class serves as the base class for designers that provide design-time support in the Visual Web Designer for controls that are derived from the <xref:System.Web.UI.WebControls.ListControl>.
The <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class properties provide the following functionality:
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.ActionLists%2A> property returns a <xref:System.ComponentModel.Design.DesignerActionListCollection> object, which typically contains an object that is derived from the <xref:System.ComponentModel.Design.DesignerActionList> object for each level in the inheritance tree of the designer.
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataTextField%2A> and <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataValueField%2A> properties provide access to the corresponding properties of a control that is derived from the <xref:System.Web.UI.WebControls.ListControl> class. The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataTextField%2A> and <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataValueField%2A> indicate the fields of the data source that provide the text and value content of the list items, respectively.
The <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class methods provide the following functionality:
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataBind%2A> method binds the associated control that is derived from the <xref:System.Web.UI.WebControls.ListControl> to a design-time data source.
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml%2A> method returns the markup that is used to render the associated control at design time.
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetSelectedDataSource%2A> method returns the design-time <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> component from the associated control container.
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetResolvedSelectedDataSource%2A> method returns the <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> from the control container, resolved to the design-time <xref:System.Web.UI.Design.WebControls.DataBoundControlDesigner.DataMember%2A> property of the control.
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.Initialize%2A> method prepares the designer to view and design the associated control that is derived from the <xref:System.Web.UI.WebControls.ListControl>.
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> method is called when the <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> for the associated control has changed.
- The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.PreFilterProperties%2A> method is used to remove additional properties from, add additional properties to, or shadow properties of the associated control that is derived from the <xref:System.Web.UI.WebControls.ListControl>.
## Examples
This section provides two code examples. The first demonstrates how to derive a custom control designer. The second demonstrates how to associate a derived control with a designer.
The following code example shows how to create a class named `SimpleRadioButtonListDesigner` that inherits from the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class. The `SimpleRadioButtonListDesigner` class overrides the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml%2A>, <xref:System.Web.UI.Design.WebControls.ListControlDesigner.Initialize%2A>, and <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> methods. The `SimpleRadioButtonListDesigner` class displays a `SimpleRadioButtonList` control on the design surface.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_WebNet/ListControlDesigner_Samples/CS/SimpleRadioButtonListDesigner.cs" id="Snippet1":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/ListControlDesigner_Samples/VB/simpleradiobuttonlistdesigner.vb" id="Snippet1":::
The following code example derives the `SimpleRadioButtonList` control from the <xref:System.Web.UI.WebControls.RadioButtonList> control, and shows how to use the <xref:System.ComponentModel.DesignerAttribute> class to associate the `SimpleRadioButtonList` control with its designer, the `SimpleRadioButtonListDesigner` class.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_WebNet/ListControlDesigner_Samples/CS/SimpleRadioButtonList.cs" id="Snippet5":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/ListControlDesigner_Samples/VB/simpleradiobuttonlist.vb" id="Snippet5":::
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="T:System.Web.UI.WebControls.DataBoundControl" />
<altmember cref="T:System.Web.UI.Design.WebControls.DataBoundControlDesigner" />
<altmember cref="T:System.Web.UI.WebControls.BaseDataBoundControl" />
<altmember cref="T:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner" />
<altmember cref="T:System.Web.UI.WebControls.WebControl" />
<altmember cref="T:System.Web.UI.Design.ControlDesigner" />
<related type="Article" href="https://docs.microsoft.com/previous-versions/aspnet/wxh45wzs(v=vs.100)">Introduction to ASP.NET Control Designers</related>
<related type="Article" href="https://docs.microsoft.com/previous-versions/aspnet/12yydcke(v=vs.100)">Walkthrough: Creating a Basic Control Designer for a Web Server Control</related>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public ListControlDesigner ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig specialname rtspecialname instance void .ctor() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.#ctor" />
<MemberSignature Language="VB.NET" Value="Public Sub New ()" />
<MemberSignature Language="C++ CLI" Value="public:
 ListControlDesigner();" />
<MemberType>Constructor</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<Parameters />
<Docs>
<summary>Initializes a new instance of the <see cref="T:System.Web.UI.Design.WebControls.ListControlDesigner" /> class.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The .NET Framework internally constructs a new instance of the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class when it creates the associated control that is derived from the <xref:System.Web.UI.WebControls.ListControl> class on the design surface.
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="T:System.Web.UI.Design.WebControls.DataBoundControlDesigner" />
<altmember cref="T:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner" />
<altmember cref="T:System.Web.UI.Design.ControlDesigner" />
<altmember cref="T:System.Web.UI.Design.HtmlControlDesigner" />
<altmember cref="T:System.ComponentModel.Design.ComponentDesigner" />
</Docs>
</Member>
<Member MemberName="ActionLists">
<MemberSignature Language="C#" Value="public override System.ComponentModel.Design.DesignerActionListCollection ActionLists { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance class System.ComponentModel.Design.DesignerActionListCollection ActionLists" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.Design.WebControls.ListControlDesigner.ActionLists" />
<MemberSignature Language="VB.NET" Value="Public Overrides ReadOnly Property ActionLists As DesignerActionListCollection" />
<MemberSignature Language="F#" Value="member this.ActionLists : System.ComponentModel.Design.DesignerActionListCollection" Usage="System.Web.UI.Design.WebControls.ListControlDesigner.ActionLists" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual property System::ComponentModel::Design::DesignerActionListCollection ^ ActionLists { System::ComponentModel::Design::DesignerActionListCollection ^ get(); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.ComponentModel.Design.DesignerActionListCollection</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets the designer action list collection for the designer.</summary>
<value>The <see cref="T:System.ComponentModel.Design.DesignerActionListCollection" /> associated with the designer.</value>
<remarks>To be added.</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="T:System.ComponentModel.Design.DesignerActionListCollection" />
<altmember cref="P:System.Web.UI.Design.WebControls.DataBoundControlDesigner.ActionLists" />
<altmember cref="P:System.Web.UI.Design.ControlDesigner.ActionLists" />
<altmember cref="P:System.ComponentModel.Design.ComponentDesigner.ActionLists" />
</Docs>
</Member>
<Member MemberName="DataBind">
<MemberSignature Language="C#" Value="protected override void DataBind (System.Web.UI.WebControls.BaseDataBoundControl dataBoundControl);" />
<MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance void DataBind(class System.Web.UI.WebControls.BaseDataBoundControl dataBoundControl) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.DataBind(System.Web.UI.WebControls.BaseDataBoundControl)" />
<MemberSignature Language="VB.NET" Value="Protected Overrides Sub DataBind (dataBoundControl As BaseDataBoundControl)" />
<MemberSignature Language="F#" Value="override this.DataBind : System.Web.UI.WebControls.BaseDataBoundControl -> unit" Usage="listControlDesigner.DataBind dataBoundControl" />
<MemberSignature Language="C++ CLI" Value="protected:
 override void DataBind(System::Web::UI::WebControls::BaseDataBoundControl ^ dataBoundControl);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="dataBoundControl" Type="System.Web.UI.WebControls.BaseDataBoundControl" Index="0" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
</Parameters>
<Docs>
<param name="dataBoundControl">The associated control derived from the <see cref="T:System.Web.UI.WebControls.ListControl" />, or a copy of that control.</param>
<summary>Binds the specified control to the design-time data source.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
For the <xref:System.Web.UI.Design.WebControls.DataBoundControlDesigner> base class, the <xref:System.Web.UI.Design.WebControls.DataBoundControlDesigner.DataBind%2A> method sets the <xref:System.Web.UI.WebControls.BaseDataBoundControl.DataSource%2A> and <xref:System.Web.UI.WebControls.BaseDataBoundControl.DataSourceID%2A> properties of the <xref:System.Web.UI.WebControls.DataBoundControl> object to reference the design-time data source, then calls the <xref:System.Web.UI.WebControls.BaseDataBoundControl.DataBind%2A?displayProperty=nameWithType> method, and then restores the <xref:System.Web.UI.WebControls.BaseDataBoundControl.DataSource%2A> and <xref:System.Web.UI.WebControls.BaseDataBoundControl.DataSourceID%2A> properties to their original values.
For the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class, however, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataBind%2A> method has no functionality, because <xref:System.Web.UI.WebControls.ListItem> objects were just added to the <xref:System.Web.UI.WebControls.ListControl.Items%2A> collection.
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListItem" />
<altmember cref="P:System.Web.UI.WebControls.ListControl.Items" />
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="M:System.Web.UI.Design.WebControls.DataBoundControlDesigner.DataBind(System.Web.UI.WebControls.BaseDataBoundControl)" />
<altmember cref="T:System.Web.UI.Design.WebControls.DataBoundControlDesigner" />
<altmember cref="T:System.Web.UI.WebControls.BaseDataBoundControl" />
</Docs>
</Member>
<Member MemberName="DataMember">
<MemberSignature Language="C#" Value="public string DataMember { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance string DataMember" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.Design.WebControls.ListControlDesigner.DataMember" />
<MemberSignature Language="VB.NET" Value="Public Property DataMember As String" />
<MemberSignature Language="F#" Value="member this.DataMember : string with get, set" Usage="System.Web.UI.Design.WebControls.ListControlDesigner.DataMember" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ DataMember { System::String ^ get(); void set(System::String ^ value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the data member for the control.</summary>
<value>The <see cref="P:System.Web.UI.WebControls.ListControl.DataMember" /> property of the list control.</value>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="DataSource">
<MemberSignature Language="C#" Value="public string DataSource { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance string DataSource" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.Design.WebControls.ListControlDesigner.DataSource" />
<MemberSignature Language="VB.NET" Value="Public Property DataSource As String" />
<MemberSignature Language="F#" Value="member this.DataSource : string with get, set" Usage="System.Web.UI.Design.WebControls.ListControlDesigner.DataSource" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ DataSource { System::String ^ get(); void set(System::String ^ value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the data source property of the control.</summary>
<value>The <see cref="P:System.Web.UI.WebControls.ListControl.DataSource" /> property of the list control.</value>
<remarks>To be added.</remarks>
</Docs>
</Member>
<Member MemberName="DataTextField">
<MemberSignature Language="C#" Value="public string DataTextField { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance string DataTextField" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.Design.WebControls.ListControlDesigner.DataTextField" />
<MemberSignature Language="VB.NET" Value="Public Property DataTextField As String" />
<MemberSignature Language="F#" Value="member this.DataTextField : string with get, set" Usage="System.Web.UI.Design.WebControls.ListControlDesigner.DataTextField" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ DataTextField { System::String ^ get(); void set(System::String ^ value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the data text field of the control.</summary>
<value>The <see cref="P:System.Web.UI.WebControls.ListControl.DataTextField" /> of the list control.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataTextField%2A> property sets or retrieves the markup to use for the design-time representation of the control at run time. This provides access via the designer to the <xref:System.Web.UI.WebControls.ListControl.DataTextField%2A> property of the associated control, which corresponds to the field of the data source that provides the text content of the list items.
]]></format>
</remarks>
<altmember cref="P:System.Web.UI.WebControls.ListControl.DataTextField" />
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="P:System.Web.UI.Design.WebControls.ListControlDesigner.DataValueField" />
</Docs>
</Member>
<Member MemberName="DataValueField">
<MemberSignature Language="C#" Value="public string DataValueField { get; set; }" />
<MemberSignature Language="ILAsm" Value=".property instance string DataValueField" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.Design.WebControls.ListControlDesigner.DataValueField" />
<MemberSignature Language="VB.NET" Value="Public Property DataValueField As String" />
<MemberSignature Language="F#" Value="member this.DataValueField : string with get, set" Usage="System.Web.UI.Design.WebControls.ListControlDesigner.DataValueField" />
<MemberSignature Language="C++ CLI" Value="public:
 property System::String ^ DataValueField { System::String ^ get(); void set(System::String ^ value); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets or sets the data value field of the control.</summary>
<value>The <see cref="P:System.Web.UI.WebControls.ListControl.DataValueField" /> of the list control.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.DataValueField%2A> property provides access via the designer to the <xref:System.Web.UI.WebControls.ListControl.DataValueField%2A> property of the associated control, which indicates the field of the data source that provides the value content of the list items.
]]></format>
</remarks>
<altmember cref="P:System.Web.UI.WebControls.ListControl.DataValueField" />
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="P:System.Web.UI.Design.WebControls.ListControlDesigner.DataTextField" />
</Docs>
</Member>
<Member MemberName="GetDesignTimeHtml">
<MemberSignature Language="C#" Value="public override string GetDesignTimeHtml ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance string GetDesignTimeHtml() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml" />
<MemberSignature Language="VB.NET" Value="Public Overrides Function GetDesignTimeHtml () As String" />
<MemberSignature Language="F#" Value="override this.GetDesignTimeHtml : unit -> string" Usage="listControlDesigner.GetDesignTimeHtml " />
<MemberSignature Language="C++ CLI" Value="public:
 override System::String ^ GetDesignTimeHtml();" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Gets the HTML that is used to represent the control at design time.</summary>
<returns>A <see cref="T:System.String" /> containing the markup used to render the control derived from the <see cref="T:System.Web.UI.WebControls.ListControl" /> at design time.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
If the associated control derived from the <xref:System.Web.UI.WebControls.ListControl> object is data-bound, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml%2A> method clears the <xref:System.Web.UI.WebControls.ListControl.Items%2A> collection and adds a <xref:System.String> message indicating the control is data-bound. If the associated control is not data-bound and the <xref:System.Web.UI.WebControls.ListControl.Items%2A> collection is empty, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml%2A> adds a <xref:System.String> message indicating the control is unbound. Then, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml%2A> calls its base method to generate the markup.
## Examples
The following code example overrides the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml%2A> method to customize the markup that is displayed for the associated control on a design surface. If the <xref:System.Web.UI.WebControls.WebControl.BackColor%2A> property is not defined for the associated control, it is set to `Gainsboro`, and the control is displayed with that background color. After this is done, the base implementation of the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetDesignTimeHtml%2A> method is called.
This code example is part of a larger example provided for the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_WebNet/ListControlDesigner_Samples/CS/SimpleRadioButtonListDesigner.cs" id="Snippet2":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/ListControlDesigner_Samples/VB/simpleradiobuttonlistdesigner.vb" id="Snippet2":::
]]></format>
</remarks>
<altmember cref="P:System.Web.UI.WebControls.ListControl.Items" />
<altmember cref="T:System.Web.UI.WebControls.ListItem" />
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="M:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.GetDesignTimeHtml" />
</Docs>
</Member>
<Member MemberName="GetResolvedSelectedDataSource">
<MemberSignature Language="C#" Value="public System.Collections.IEnumerable GetResolvedSelectedDataSource ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance class System.Collections.IEnumerable GetResolvedSelectedDataSource() cil managed" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.GetResolvedSelectedDataSource" />
<MemberSignature Language="VB.NET" Value="Public Function GetResolvedSelectedDataSource () As IEnumerable" />
<MemberSignature Language="F#" Value="abstract member GetResolvedSelectedDataSource : unit -> System.Collections.IEnumerable
override this.GetResolvedSelectedDataSource : unit -> System.Collections.IEnumerable" Usage="listControlDesigner.GetResolvedSelectedDataSource " FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual System::Collections::IEnumerable ^ GetResolvedSelectedDataSource();" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance class System.Collections.IEnumerable GetResolvedSelectedDataSource() cil managed" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="F#" Value="member this.GetResolvedSelectedDataSource : unit -> System.Collections.IEnumerable" Usage="listControlDesigner.GetResolvedSelectedDataSource " FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="C++ CLI" Value="public:
 System::Collections::IEnumerable ^ GetResolvedSelectedDataSource();" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember FrameworkAlternate="netframework-1.1">M:System.Web.UI.Design.IDataSourceProvider.GetResolvedSelectedDataSource</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Collections.IEnumerable</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Gets the data source component from the associated control container, resolved to a specific data member.</summary>
<returns>An <see cref="T:System.Collections.IEnumerable" /> containing the design-time <see cref="P:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource" />, resolved to the <see cref="P:System.Web.UI.Design.WebControls.DataBoundControlDesigner.DataMember" /> of the associated control.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetSelectedDataSource%2A> method returns `null` if a <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> property is not found, or if a <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> with the same name does not exist.
If the <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> cannot be resolved to the <xref:System.Web.UI.Design.WebControls.DataBoundControlDesigner.DataMember%2A> property of the associated control, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetResolvedSelectedDataSource%2A> returns an <xref:System.Collections.IEnumerable> interface containing the design-time <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A>.
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="P:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource" />
<altmember cref="P:System.Web.UI.Design.WebControls.DataBoundControlDesigner.DataMember" />
<altmember cref="M:System.Web.UI.Design.IDataSourceProvider.GetResolvedSelectedDataSource" />
<altmember cref="T:System.Web.UI.Design.IDataSourceProvider" />
<altmember cref="M:System.Web.UI.Design.WebControls.ListControlDesigner.GetSelectedDataSource" />
</Docs>
</Member>
<Member MemberName="GetSelectedDataSource">
<MemberSignature Language="C#" Value="public object GetSelectedDataSource ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance object GetSelectedDataSource() cil managed" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.GetSelectedDataSource" />
<MemberSignature Language="VB.NET" Value="Public Function GetSelectedDataSource () As Object" />
<MemberSignature Language="F#" Value="abstract member GetSelectedDataSource : unit -> obj
override this.GetSelectedDataSource : unit -> obj" Usage="listControlDesigner.GetSelectedDataSource " FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual System::Object ^ GetSelectedDataSource();" FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig instance object GetSelectedDataSource() cil managed" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="F#" Value="member this.GetSelectedDataSource : unit -> obj" Usage="listControlDesigner.GetSelectedDataSource " FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberSignature Language="C++ CLI" Value="public:
 System::Object ^ GetSelectedDataSource();" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberType>Method</MemberType>
<Implements>
<InterfaceMember FrameworkAlternate="netframework-1.1">M:System.Web.UI.Design.IDataSourceProvider.GetSelectedDataSource</InterfaceMember>
</Implements>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Object</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Gets the data source component from the associated control container.</summary>
<returns>An object implementing an <see cref="T:System.Collections.IEnumerable" /> interface and containing the design-time <see cref="P:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource" /> of the associated control.</returns>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.GetSelectedDataSource%2A> method returns `null` if a <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> property is not found, or if a <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource%2A> with the same name does not exist.
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="P:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource" />
<altmember cref="M:System.Web.UI.Design.IDataSourceProvider.GetSelectedDataSource" />
<altmember cref="T:System.Web.UI.Design.IDataSourceProvider" />
<altmember cref="M:System.Web.UI.Design.WebControls.ListControlDesigner.GetResolvedSelectedDataSource" />
</Docs>
</Member>
<Member MemberName="Initialize">
<MemberSignature Language="C#" Value="public override void Initialize (System.ComponentModel.IComponent component);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance void Initialize(class System.ComponentModel.IComponent component) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.Initialize(System.ComponentModel.IComponent)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Sub Initialize (component As IComponent)" />
<MemberSignature Language="F#" Value="override this.Initialize : System.ComponentModel.IComponent -> unit" Usage="listControlDesigner.Initialize component" />
<MemberSignature Language="C++ CLI" Value="public:
 override void Initialize(System::ComponentModel::IComponent ^ component);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="component" Type="System.ComponentModel.IComponent" />
</Parameters>
<Docs>
<param name="component">A control derived from the <see cref="T:System.Web.UI.WebControls.ListControl" /> that implements an <see cref="T:System.ComponentModel.IComponent" />.</param>
<summary>Prepares the designer to view, edit, and design the associated control.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The designer host calls the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.Initialize%2A> method when it is ready to use the designer to render the control that is derived from the <xref:System.Web.UI.WebControls.ListControl> class. The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.Initialize%2A> method and its base methods configure properties and connect to events that are necessary for the operation of the designer.
The `component` parameter is the control, derived from the <xref:System.Web.UI.WebControls.ListControl>, that is associated with this designer or is a copy of that control.
## Examples
The following code example overrides the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.Initialize%2A> method in a designer derived from the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class to ensure that only instances of a control class named `SimpleRadioButtonList` are used by the custom designer.
This code example is part of a larger example provided for the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_WebNet/ListControlDesigner_Samples/CS/SimpleRadioButtonListDesigner.cs" id="Snippet3":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/ListControlDesigner_Samples/VB/simpleradiobuttonlistdesigner.vb" id="Snippet3":::
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="T:System.ComponentModel.Design.IDesigner" />
<altmember cref="T:System.ComponentModel.IComponent" />
<altmember cref="M:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.Initialize(System.ComponentModel.IComponent)" />
<altmember cref="M:System.Web.UI.Design.ControlDesigner.Initialize(System.ComponentModel.IComponent)" />
<altmember cref="M:System.ComponentModel.Design.ComponentDesigner.Initialize(System.ComponentModel.IComponent)" />
</Docs>
</Member>
<Member MemberName="OnComponentChanged">
<MemberSignature Language="C#" Value="public override void OnComponentChanged (object source, System.ComponentModel.Design.ComponentChangedEventArgs ce);" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig virtual instance void OnComponentChanged(object source, class System.ComponentModel.Design.ComponentChangedEventArgs ce) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.OnComponentChanged(System.Object,System.ComponentModel.Design.ComponentChangedEventArgs)" />
<MemberSignature Language="VB.NET" Value="Public Overrides Sub OnComponentChanged (source As Object, ce As ComponentChangedEventArgs)" />
<MemberSignature Language="F#" Value="override this.OnComponentChanged : obj * System.ComponentModel.Design.ComponentChangedEventArgs -> unit" Usage="listControlDesigner.OnComponentChanged (source, ce)" />
<MemberSignature Language="C++ CLI" Value="public:
 override void OnComponentChanged(System::Object ^ source, System::ComponentModel::Design::ComponentChangedEventArgs ^ ce);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="source" Type="System.Object" Index="0" FrameworkAlternate="netframework-1.1" />
<Parameter Name="ce" Type="System.ComponentModel.Design.ComponentChangedEventArgs" Index="1" FrameworkAlternate="netframework-1.1" />
</Parameters>
<Docs>
<param name="source">The source of the event.</param>
<param name="ce">The event data.</param>
<summary>Raises the ComponentChanged event.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Handles changes made to the component. This includes changes made in the property grid.
]]></format>
</remarks>
</Docs>
</Member>
<MemberGroup MemberName="OnDataSourceChanged">
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Docs>
<summary>Called when the data source for the associated control has changed.</summary>
</Docs>
</MemberGroup>
<Member MemberName="OnDataSourceChanged">
<MemberSignature Language="C#" Value="public virtual void OnDataSourceChanged ();" />
<MemberSignature Language="ILAsm" Value=".method public hidebysig newslot virtual instance void OnDataSourceChanged() cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged" />
<MemberSignature Language="VB.NET" Value="Public Overridable Sub OnDataSourceChanged ()" />
<MemberSignature Language="F#" Value="abstract member OnDataSourceChanged : unit -> unit
override this.OnDataSourceChanged : unit -> unit" Usage="listControlDesigner.OnDataSourceChanged " FrameworkAlternate="netframework-1.1" />
<MemberSignature Language="C++ CLI" Value="public:
 virtual void OnDataSourceChanged();" />
<MemberSignature Language="F#" Value="override this.OnDataSourceChanged : unit -> unit" Usage="listControlDesigner.OnDataSourceChanged " FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>Called when the data source for the associated control has changed.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.OnDataSourceChanged%2A> base method connects the associated control that is derived from the <xref:System.Web.UI.WebControls.ListControl> object to the current data source and, if that is different from the data source to which the control was connected, updates the design-time markup. The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> method updates the design-time markup after connecting to the current data source.
## Examples
The following code example overrides the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> method in a class that inherits from the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class. When the data source that is associated with the designer class changes, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> method is called and this code sets a variable named `changedDataSource` to `true`.
This code example is part of a larger example provided for the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_WebNet/ListControlDesigner_Samples/CS/SimpleRadioButtonListDesigner.cs" id="Snippet4":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/ListControlDesigner_Samples/VB/simpleradiobuttonlistdesigner.vb" id="Snippet4":::
]]></format>
</remarks>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="M:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.OnDataSourceChanged(System.Boolean)" />
<altmember cref="P:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource" />
<altmember cref="M:System.Web.UI.Design.WebControls.DataBoundControlDesigner.ConnectToDataSource" />
<altmember cref="M:System.Web.UI.Design.ControlDesigner.UpdateDesignTimeHtml" />
</Docs>
</Member>
<Member MemberName="OnDataSourceChanged">
<MemberSignature Language="C#" Value="protected override void OnDataSourceChanged (bool forceUpdateView);" />
<MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance void OnDataSourceChanged(bool forceUpdateView) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged(System.Boolean)" />
<MemberSignature Language="VB.NET" Value="Protected Overrides Sub OnDataSourceChanged (forceUpdateView As Boolean)" />
<MemberSignature Language="F#" Value="override this.OnDataSourceChanged : bool -> unit" Usage="listControlDesigner.OnDataSourceChanged forceUpdateView" />
<MemberSignature Language="C++ CLI" Value="protected:
 override void OnDataSourceChanged(bool forceUpdateView);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute FrameworkAlternate="netframework-4.0">
<AttributeName Language="C#">[System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]</AttributeName>
<AttributeName Language="F#">[<System.Runtime.TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")>]</AttributeName>
</Attribute>
</Attributes>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="forceUpdateView" Type="System.Boolean" Index="0" FrameworkAlternate="netframework-2.0;netframework-3.0;netframework-3.5;netframework-4.0;netframework-4.5;netframework-4.5.1;netframework-4.5.2;netframework-4.6;netframework-4.6.1;netframework-4.6.2;netframework-4.7;netframework-4.7.1;netframework-4.7.2;netframework-4.8;netframework-4.8.1" />
</Parameters>
<Docs>
<param name="forceUpdateView">A <see cref="T:System.Boolean" /> that indicates whether the design-time markup is to be unconditionally updated. This parameter is ignored.</param>
<summary>Called when the data source for the associated control has changed.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.OnDataSourceChanged%2A> base method connects the associated control that is derived from the <xref:System.Web.UI.WebControls.ListControl> class to the current data source and, if that is different from the data source to which the control was connected, updates the design-time markup. The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> method of the designer unconditionally updates the design-time markup after connecting to the current data source. The value of `forceUpdateView` is ignored.
## Examples
The following code example overrides the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> method in a class that inherits from the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class. When the data source that is associated with the designer class changes, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged%2A> is called and this code sets a variable named `changedDataSource` to `true`.
This code example is part of a larger example provided for the <xref:System.Web.UI.Design.WebControls.ListControlDesigner> class.
:::code language="csharp" source="~/snippets/csharp/VS_Snippets_WebNet/ListControlDesigner_Samples/CS/SimpleRadioButtonListDesigner.cs" id="Snippet4":::
:::code language="vb" source="~/snippets/visualbasic/VS_Snippets_WebNet/ListControlDesigner_Samples/VB/simpleradiobuttonlistdesigner.vb" id="Snippet4":::
]]></format>
</remarks>
<block subset="none" type="usage">
<para>Callers should use the public <see cref="M:System.Web.UI.Design.WebControls.ListControlDesigner.OnDataSourceChanged" /> override.</para>
</block>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="M:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.OnDataSourceChanged(System.Boolean)" />
<altmember cref="P:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.DataSource" />
<altmember cref="M:System.Web.UI.Design.WebControls.DataBoundControlDesigner.ConnectToDataSource" />
<altmember cref="M:System.Web.UI.Design.ControlDesigner.UpdateDesignTimeHtml" />
</Docs>
</Member>
<Member MemberName="PreFilterProperties">
<MemberSignature Language="C#" Value="protected override void PreFilterProperties (System.Collections.IDictionary properties);" />
<MemberSignature Language="ILAsm" Value=".method familyhidebysig virtual instance void PreFilterProperties(class System.Collections.IDictionary properties) cil managed" />
<MemberSignature Language="DocId" Value="M:System.Web.UI.Design.WebControls.ListControlDesigner.PreFilterProperties(System.Collections.IDictionary)" />
<MemberSignature Language="VB.NET" Value="Protected Overrides Sub PreFilterProperties (properties As IDictionary)" />
<MemberSignature Language="F#" Value="override this.PreFilterProperties : System.Collections.IDictionary -> unit" Usage="listControlDesigner.PreFilterProperties properties" />
<MemberSignature Language="C++ CLI" Value="protected:
 override void PreFilterProperties(System::Collections::IDictionary ^ properties);" />
<MemberType>Method</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="properties" Type="System.Collections.IDictionary" />
</Parameters>
<Docs>
<param name="properties">A collection implementing the <see cref="T:System.Collections.IDictionary" /> of the added or shadowed properties to expose for the associated control at design time.</param>
<summary>Used by the designer to remove additional properties from or add properties to the display in the **Properties** grid or to shadow properties of the associated control.</summary>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
Control designers use methods that are derived from the <xref:System.ComponentModel.Design.ComponentDesigner.PreFilterProperties%2A?displayProperty=nameWithType> method to shadow various control properties with corresponding design-time properties that the designer implements, and to add properties to or remove properties from the **Properties** grid.
For controls that are derived from the <xref:System.Web.UI.WebControls.ListControl> object, the <xref:System.Web.UI.Design.WebControls.ListControlDesigner.PreFilterProperties%2A> adds the <xref:System.Web.UI.Design.DataFieldConverter> attribute to the <xref:System.Web.UI.WebControls.ListControl.DataTextField%2A> and <xref:System.Web.UI.WebControls.ListControl.DataValueField%2A> properties of the associated control.
]]></format>
</remarks>
<block subset="none" type="overrides">
<para>Override the <see cref="M:System.Web.UI.Design.WebControls.DetailsViewDesigner.PreFilterProperties(System.Collections.IDictionary)" /> method to add properties to or change attributes of properties in the design-time property collection. Be sure to call the base method before performing other processing.</para>
</block>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="T:System.Web.UI.Design.DataFieldConverter" />
<altmember cref="T:System.ComponentModel.TypeConverterAttribute" />
<altmember cref="P:System.Web.UI.WebControls.ListControl.DataTextField" />
<altmember cref="P:System.Web.UI.WebControls.ListControl.DataValueField" />
<altmember cref="M:System.Web.UI.Design.WebControls.DataBoundControlDesigner.PreFilterProperties(System.Collections.IDictionary)" />
<altmember cref="M:System.Web.UI.Design.WebControls.BaseDataBoundControlDesigner.PreFilterProperties(System.Collections.IDictionary)" />
<altmember cref="M:System.Web.UI.Design.ControlDesigner.PreFilterProperties(System.Collections.IDictionary)" />
<altmember cref="M:System.Web.UI.Design.HtmlControlDesigner.PreFilterProperties(System.Collections.IDictionary)" />
<altmember cref="T:System.ComponentModel.Design.IDesignerFilter" />
</Docs>
</Member>
<Member MemberName="UseDataSourcePickerActionList">
<MemberSignature Language="C#" Value="protected override bool UseDataSourcePickerActionList { get; }" />
<MemberSignature Language="ILAsm" Value=".property instance bool UseDataSourcePickerActionList" />
<MemberSignature Language="DocId" Value="P:System.Web.UI.Design.WebControls.ListControlDesigner.UseDataSourcePickerActionList" />
<MemberSignature Language="VB.NET" Value="Protected Overrides ReadOnly Property UseDataSourcePickerActionList As Boolean" />
<MemberSignature Language="F#" Value="member this.UseDataSourcePickerActionList : bool" Usage="System.Web.UI.Design.WebControls.ListControlDesigner.UseDataSourcePickerActionList" />
<MemberSignature Language="C++ CLI" Value="protected:
 virtual property bool UseDataSourcePickerActionList { bool get(); };" />
<MemberType>Property</MemberType>
<AssemblyInfo>
<AssemblyName>System.Design</AssemblyName>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
<AssemblyVersion>4.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Docs>
<summary>Gets a value that indicates whether the associated control should render its default action lists.</summary>
<value>Always returns <see langword="false" />.</value>
<remarks>
<format type="text/markdown"><![CDATA[
## Remarks
The <xref:System.Web.UI.Design.WebControls.ListControlDesigner.UseDataSourcePickerActionList%2A> property returns `false` so that a data source dropdown is not displayed with the **Choose Data Source** menu item in the **Common Tasks** context menu. Instead, this menu item displays the **Choose Data Source** dialog box, which allows the user to select a <xref:System.Web.UI.WebControls.BaseDataBoundControl.DataSource%2A> and the <xref:System.Web.UI.WebControls.ListControl.DataTextField%2A> and <xref:System.Web.UI.WebControls.ListControl.DataValueField%2A> properties.
]]></format>
</remarks>
<block subset="none" type="overrides">
<para>Override the <see cref="P:System.Web.UI.Design.WebControls.ListControlDesigner.UseDataSourcePickerActionList" /> property to return <see langword="true" /> if you want the control that is derived from the <see cref="T:System.Web.UI.WebControls.ListControl" /> class to display a data source dropdown with the **Choose Data Source** menu item in the **Common Tasks** context menu at design time.</para>
</block>
<altmember cref="T:System.Web.UI.WebControls.ListControl" />
<altmember cref="P:System.Web.UI.WebControls.DataBoundControl.DataSourceID" />
<altmember cref="P:System.Web.UI.WebControls.BaseDataBoundControl.DataSource" />
<altmember cref="P:System.Web.UI.WebControls.ListControl.DataTextField" />
<altmember cref="P:System.Web.UI.WebControls.ListControl.DataValueField" />
<altmember cref="T:System.Web.UI.Design.WebControls.DataBoundControlDesigner" />
</Docs>
</Member>
</Members>
</Type>